diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a9e1421cd007..c54ae562c4d4 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -91,8 +91,6 @@ struct acpi_device;
 typedef int (*acpi_op_add) (struct acpi_device * device);
 typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
 typedef int (*acpi_op_start) (struct acpi_device * device);
-typedef int (*acpi_op_bind) (struct acpi_device * device);
-typedef int (*acpi_op_unbind) (struct acpi_device * device);
 typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event);
 
 struct acpi_device_ops {